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  1. OpenShift Virtualization
  2. CNV-60944

[4.16] Migration fails with Unable to transfer source data to scratch space: unable to write to file

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    • Icon: Bug Bug
    • Resolution: Unresolved
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    • CNV v4.16.z
    • CNV v4.16.7
    • Storage Platform
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      Description of problem:

      OCP to OCP Migration fails with
      "Unable to process data: Unable to transfer source data to scratch space: unable to write to file: write /scratch/tmpimage: no space left on device"

      Using Versions:

       

      OCP 4.16.19
      CNV 4.16.7
      MTV 2.8.1
      

       

       

      2025-04-25T00:38:57.354517795Z {"level":"debug","ts":"2025-04-25T00:38:57Z","logger":"events","msg":"Unable to process data: Unable to transfer source data to scratch space: unable to write to file: write /scratch/tmpimage: no space left on device","type":"Warning","object":{"kind":"PersistentVolumeClaim","namespace":"test","name":"prime-15f4cea8-260f-47f5-8b29-2230ead57a14","uid":"ef44f519-1c4b-41e9-b4a9-5524389e6f12","apiVersion":"v1","resourceVersion":"9334949"},"reason":"ErrImportFailed"} 

      DV request is:

        storage:
          resources:
            requests:
              storage: "107374182400"
          storageClassName: trident-ontap-san-default  

      Scratch pvc is created:

      └─$ oc get pvc prime-15f4cea8-260f-47f5-8b29-2230ead57a14-scratch -o yaml
      
      spec:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: "113623695360"
        storageClassName: trident-ontap-san-default
        volumeMode: Filesystem
        volumeName: pvc-bae932c3-f5f9-496f-b6d1-d8a10f673768
      status:
        accessModes:
        - ReadWriteOnce
        capacity:
          storage: 108360Mi
        phase: Bound 

              rhn-support-awels Alexander Wels
              shaselde@redhat.com Sean Haselden
              Yan Du Yan Du
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                Created:
                Updated: